NN was formerly part of the German Empire. In the German Empire, the place was called NN.
The place is now called Prysk and belongs to Czech Republic.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| NN (Prysk) | Austro-Hungary | Tetschen | before the Treaty of Saint-Germain |
| NN | Czechoslovakia | Děčín | after the Treaty of Saint-Germain |
| NN | German Empire | Tetschen | 1938 |
| NN | Czechoslovakia | Děčín | 1945 |
| Prysk | Czechoslovakia | Česká Lípa | 1992 |
| Prysk | Czech Republic | Česká Lípa | 1993 |